.im_h5_style {
  position: fixed;
  top: 50%;
  left: calc(50vw - 400px);
  transform: translate(-50%, -50%);
  width: 375px;
  height: 667px;
  background: #fff;
  z-index: 1001;

  .button {
    position: absolute;
    bottom: -48px;
    left: 50%;
    transform: translate(-50%, 0);
  }
}
